05-30-2014
The while loop, in this case runs in another subshell with its own scope of variables, which are created and destroy as the while loop starts and finishes.
Some
more explanation
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1. UNIX for Dummies Questions & Answers
Simple script trying to increment a counter within an echo statement never gets past 1 - PLEASE HELP!
Thanks.
~~~~~~~~~~~
#!/bin/sh
stepup()
{
STEP=`expr $STEP + 1`
echo $STEP
}
#
# Initialize variables
#
STEP=0
echo "Counter Value: `stepup`"
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Hello,
I am making an increment counter in ksh. So i write a number in a temporary file and when I execute my script I read this file and I make +1.
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...
....
....
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Hi guys,
Can someone help me out with this:
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Hi,
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Hello There,
I have been trying to increment the value of variable to 1, 2, 3 etc. but, it displays
1
1+1
1+1+1
.....
:wall:
Could anyone help out with this?
for i in *.*
do
s=`expr $s+1`
echo $s
j=$i$j
mv $i $j
done
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Hi there everyone!
This is my first post so be gentle.
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LEARN ABOUT DEBIAN
mousex::nativetraits::counter
MouseX::NativeTraits::Counter(3pm) User Contributed Perl Documentation MouseX::NativeTraits::Counter(3pm)
NAME
MouseX::NativeTraits::Counter - Helper trait for counter attributes
SYNOPSIS
package MyHomePage;
use Mouse;
has 'counter' => (
traits => ['Counter'],
is => 'ro',
isa => 'Num',
default => 0,
handles => {
inc_counter => 'inc',
dec_counter => 'dec',
reset_counter => 'reset',
},
);
my $page = MyHomePage->new();
$page->inc_counter; # same as $page->counter( $page->counter + 1 );
$page->dec_counter; # same as $page->counter( $page->counter - 1 );
DESCRIPTION
This module provides a simple counter attribute, which can be incremented and decremented.
If your attribute definition does not include any of is, isa, default or handles but does use the "Counter" trait, then this module applies
defaults as in the "SYNOPSIS" above. This allows for a very basic counter definition:
has 'foo' => (traits => ['Counter']);
$obj->inc_foo;
PROVIDED METHODS
These methods are implemented in MouseX::NativeTraits::MethodProvider::Counter. It is important to note that all those methods do in place
modification of the value stored in the attribute.
set($value)
Set the counter to the specified value.
inc Increments the value stored in this slot by 1. Providing an argument will cause the counter to be increased by specified amount.
dec Decrements the value stored in this slot by 1. Providing an argument will cause the counter to be increased by specified amount.
reset
Resets the value stored in this slot to it's default value.
METHODS
meta
method_provider_class
helper_type
SEE ALSO
MouseX::NativeTraits
perl v5.14.2 2011-12-04 MouseX::NativeTraits::Counter(3pm)